Availability
Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5
Part Number: KGB-MB557SI001
Need It Sooner? We recommend these similar substitute parts:
Rod Bearings, HP-Series, .001 in. Extra, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807HPDSTDX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rob Bearing, XP Series, Standard Size, Tri-Metal, Chevy, Small Block, Set of 8
Part Number: KGB-CR803XPCSTDX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Stud Mount, Roller Tip, Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: PRO-66922
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearings, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8
Part Number: KGB-CR807SISTDX
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.875 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, L8, V8, Set of 8
Part Number: HSN-2M660
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Cast, Flat, 3.915 in. Bore, Checker, Chevy, GMC, Set of 8
Part Number: SLP-235NP40
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer, Sportsman, Internal Balance, Black, Chevy, Small Block, Each
Part Number: PQX-2332740
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Filter, Extended Life, Canister, 13/16 in.-16 Thread, Each
Part Number: CHC-30-1218
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set
Part Number: HSN-139S030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer, Nodular Iron, 6.750 in. o.d., Buick, Chevy, GMC, Oldsmobile, Pontiac, 4.1L, Each
Part Number: RNB-594-014
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Single Roller, Iron Cam Sprocket, Steel Crank Sprocket, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, V6, V8, Set
Part Number: MEL-40500
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.55 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: PQX-0235003
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Main Bearings, Tri Metal, Standard Size, Chevy, 283, 327, Set of 5
Part Number: SLP-994M
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, Chromoly, 5/16 in. Diameter, 7.894 in. Length, Ball Ends, Each
Part Number: MEL-500614
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Breather, Steel, Chrome Plated, Push-In, 2.410 in. Diameter, Each
Part Number: SNN-MO61
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Pump Pulley, Chrome Plated, Double Upper And Lower, Short Water Pump, Set
Part Number: MRG-4961
Estimated Ship Date: Today
Estimated Ship Date: Today
Adapter, Oil Filter Bypass, Spin-On, Aluminum, Natural, 13/16-16 in. Thread, 1/2 in. NPT Inlet/Outlet, Each
Part Number: TRD-1022
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Bolt, 12-Point, Chromoly, 7/16-20 Thread Size, Chevy, Small Block, Each
Part Number: PQX-1042265
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, HP-Series, 1/2 Groove, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set
Part Number: KGB-MB557HPSTDX
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Cast, Flat, 3.935 in. Bore, Checker, Chevy, GMC, Set of 8
Part Number: SLP-235NP60
Estimated Ship Date: Today
Estimated Ship Date: Today
Oil Pan Studs, Small Block, Chevy, Oldsmobile, V8, Kit
Part Number: MRG-6315
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft Pulley Bolts, Grade 5, Zinc Plated, Chevy, Small, Big Block, Includes Lock Washers, Set of 6
Part Number: MRG-5322G
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Lock, 0.326 in Inside Diameter, 0.479 in. Outside Diameter, 1-Groove, Steel, Two Halves, Buick, Cadillac, Chevy, Ford, GMC, Lincoln, Olds, Each
Part Number: MEL-476104
Estimated Ship Date: Today
Estimated Ship Date: Today
Pulley, Power Steering, Saginaw, V-Belt, 1-Groove, Keyway, Steel, Black, 5.748 in. Diameter, Each
Part Number: LSC-165
Estimated Ship Date: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.